Zipper lock for a storage device



FIG. 1 is a perspective view of a zipper lock for a storage device embodying our new design;

FIG. 2 is a front elevational view of FIG. 1;

FIG. 3 is a right side elevational view of FIG. 1;

FIG. 4 is a top plan view of FIG. 1; and,

FIG. 5 is a bottom plan view of FIG. 1.

The broken lines shown in the drawing disclosure are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a zipper lock for a storage device, as shown and described. 